Confused about box sizes

Here is a link to the page with information about the Flow size and how it fits into a box;

http://www.honeyflow.com/about-flow/flow-hive-assembly-modifications/p/142

Here is a post in a thread with info about the hive dimensions;

http://forum.honeyflow.com/t/purchasing-a-flow-hive-questions/2335/17?u=sara